body{
    pading:0px auto;
}
.col-4{
    float: left;
    margin: 0 5px 5px;
    width: 23%;
    border: 1px solid #ccc;
    box-shadow: #cccccc 1px 2px;
    padding: 5px;
}
.float_clear:after {
    clear:both;
    content:'';
    display:block;
    width: 0;
    height: 0;
    visibility:hidden;
}
.col-4>[type=button]{
    background-color: red;
    opacity: 0.8;
    color: white;
    font-size: 16px;
    width: 48%;
    height: 35px;
    line-height:35px;
    border: none;
    margin: 0;
}
.prefix_clear:after {
    clear:both;
    content:'';
    display:block;
    width: 0;
    height: 0;
    visibility:hidden;
}
.col-4>a>[type=button]{
    background-color: red;
    color: white;
    font-size: 16px;
    width: 45%;
    height: 50px;
    line-height: 50px;
    border: none;
}

